From: Jerry Cooperstein <coop@axian.com>
To: john stultz <johnstul@us.ibm.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
Stephen Hemminger <shemminger@osdl.org>,
Andrew Morton <akpm@digeo.com>,
"Martin J. Bligh" <mbligh@aracnet.com>
Subject: Re: [RFC] linux-2.5.65_clock-override_A0
Date: Wed, 19 Mar 2003 16:21:42 -0800 [thread overview]
Message-ID: <20030320002142.GA1478@p3.attbi.com> (raw)
In-Reply-To: <1048114445.4821.256.camel@w-jstultz2.beaverton.ibm.com>
On Wed, Mar 19, 2003 at 02:54:05PM -0800, john stultz wrote:
> All,
> Inspired by Stephen Hemminger's "boot time parameter to turn of TSC
> usage" patch, I implemented my own version that is a tad bit more
> flexible.
>
> With this patch, one can manually specify on the boot cmdline which time
> source should be used (if available) for calculating gettimeofday().
> This will override the default probed selection. Should the requested
> time-source not be available, the code defaults to using the PIT (and
> prints a warning saying so).
>
> Please let me know if you have any comments or suggestions.
>
> thanks
> -john
Works fine on the hardware that started the whole thing. This one requires
CONFIG_CPU_FREQ turned off (otherwise the keyboard freezes). Stephen
Hemminger's required CONFIG_CPU_FREQ to be set (otherwise the keyboard
froze in this case as well, not being able to register interrupts),
which made less sense.
good work.
======================================================================
Jerry Cooperstein, Senior Consultant, <coop@axian.com>
Axian, Inc., Software Consulting and Training
4800 SW Griffith Dr., Ste. 202, Beaverton, OR 97005 USA
http://www.axian.com/
======================================================================
prev parent reply other threads:[~2003-03-20 0:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-19 22:54 john stultz
2003-03-19 23:34 ` Stephen Hemminger
2003-03-20 0:21 ` Jerry Cooperstein [this message]
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